Evidence row 2619018

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/LPiVCi"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ebf2394a-ff05-43c6-87f1-066c190c031f/.well-known/agent-card.json"
    ]
  ],
  "name": "Maarkeon",
  "owner_address": "0xec4e1dfb463d4e7bab7747499f03031edbe970ed",
  "raw": {
    "agent_id": "197195",
    "agent_uri": "https://centralcity.ai/a/LPiVCi",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maarkeon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/LPiVCi",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maarkeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ebf2394a-ff05-43c6-87f1-066c190c031f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/LPiVCi",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T17:40:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maarkeon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/LPiVCi"
}

What the leaf hashes

{"body":"258e8e95cdf0d56a21bb5ee5b168322fbc5eba4c021e23817013d9dd0502cf64","id":2619018,"kind":"listing","method":"sync.erc8004/1","observed_us":1793727638302497,"prev":null,"subject":"erc8004:5042:197195","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xa7fcbfa3f77a8a20adede9e4d7ca8df1672e15d6eaea36be952a2f27fdfd26b5
2. 0x08cd3b95020a7f56b612c75c59da48dc23d2f227280dc2690e7fbbe1e31941ed
3. 0xd2652983ea7a4004bbe20c63e8d0472f0828b05aaeaab1b598a57f80f417167a
4. 0x34dfe55d5cb8292900b3646997f31990475a730ca6df6f4cf4df18762c90c9c3
5. 0x61eaa50a0e2e0cfbcedbcb967fbeaa11875022dc0f6943dd6216abd948c599bc
6. 0x2cefc367aa0b2a97f58d8057831c77076589b931194aa0059244efdfdd2260bb
7. 0xd9b637d3b8418f7e33e2d0c2480877068c684e71a37b01ebdd2ee34398a8b81e
8. 0x319a3899b424c824b4763396956ac0f8df32f8a4038ab83ac5fb72ddd75d1da8
9. 0x1014f0facfc7c29ebc33cd93130be063dd544172784600c4b537fbbd7f7baa7c
10. 0x0472a986ce8a0a2ab6cc0ff4fe318deb2a4118aebc3d9d5b470ea73537a5a8f9
11. 0x380bb2748eff3997feb7d3fe78140e9415759f58428a76dcf1ea4343c49ab025
12. 0xe960c145281183c0631477923246691581efc19f87bf0e18bd31f60dfa5f92fb
13. 0x072b3d17bb7341e0a6f5545d34c6714e6464c4add696fb4eda76427e86b03107
14. 0x0ca6f7cbe9f26e47db97b53988aa24d0ac07d16b5a4d91abf869814d4d297de9
15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7